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---
layout: api
page_title: Coordinate - HTTP API
description: |-
The /coordinate endpoints query for the network coordinates for nodes in the
local datacenter as well as Consul servers in the local datacenter and remote
datacenters.
---
# Coordinate HTTP Endpoint
The `/coordinate` endpoints query for the network coordinates for nodes in the
local datacenter as well as Consul servers in the local datacenter and remote
datacenters.
docs: Avoid redirects by pointing links to new URLs Avoid HTTP redirects for internal site links by updating old URLs to point to the new location for the target content.
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Please see the [Network Coordinates](/docs/architecture/coordinates) internals
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guide for more information on how these coordinates are computed, and for
details on how to perform calculations with them.
## Read WAN Coordinates
This endpoint returns the WAN network coordinates for all Consul servers,
organized by datacenters. It serves data out of the server's local Serf data, so
its results may vary as requests are handled by different servers in the
cluster.
initial
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| Method | Path | Produces |
| ------ | ------------------------- | ------------------ |
| `GET` | `/coordinate/datacenters` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
[consistency modes](/api/features/consistency),
[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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Support Agent Caching for Service Discovery Results (#4541) * Add cache types for catalog/services and health/services and basic test that caching works * Support non-blocking cache types with Cache-Control semantics. * Update API docs to include caching info for every endpoint. * Comment updates per PR feedback. * Add note on caching to the 10,000 foot view on the architecture page to make the new data path more clear. * Document prepared query staleness quirk and force all background requests to AllowStale so we can spread service discovery load across servers.
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `NO` | `none` | `none` | `none` |
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The corresponding CLI command is [`consul rtt -wan`](/commands/rtt#wan).
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### Sample Request
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```shell-session
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$ curl \
website: use 127.0.0.1 instead of consul.rocks (#4523) By default, the Consul agent listens on the local interface at port 8500 for API requests. This change makes the API examples using `curl` copy-pasteable for this default configuration.
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http://127.0.0.1:8500/v1/coordinate/datacenters
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```
### Sample Response
```json
[
{
"Datacenter": "dc1",
"AreaID": "WAN",
"Coordinates": [
{
"Node": "agent-one",
"Coord": {
"Adjustment": 0,
"Error": 1.5,
"Height": 0,
"Vec": [0, 0, 0, 0, 0, 0, 0, 0]
}
}
]
}
]
```
In **Consul Enterprise**, this will include coordinates for user-added network
areas as well, as indicated by the `AreaID`. Coordinates are only compatible
within the same area.
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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## Read LAN Coordinates for all nodes
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This endpoint returns the LAN network coordinates for all nodes in a given
datacenter.
initial
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| Method | Path | Produces |
| ------ | ------------------- | ------------------ |
| `GET` | `/coordinate/nodes` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
[consistency modes](/api/features/consistency),
[agent caching](/api/features/caching), and
remove internal /index.html
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[required ACLs](/api#authentication).
Update API docs
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Support Agent Caching for Service Discovery Results (#4541) * Add cache types for catalog/services and health/services and basic test that caching works * Support non-blocking cache types with Cache-Control semantics. * Update API docs to include caching info for every endpoint. * Comment updates per PR feedback. * Add note on caching to the 10,000 foot view on the architecture page to make the new data path more clear. * Document prepared query staleness quirk and force all background requests to AllowStale so we can spread service discovery load across servers.
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `YES` | `all` | `none` | `node:read` |
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docs: don't treat CLI cmd cross-ref as info box
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The corresponding CLI command is [`consul rtt`](/commands/rtt).
Editing links and grammer changes
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### Parameters
- `dc` `(string: "")` - Specifies the datacenter to query. This will default to
the datacenter of the agent being queried. This is specified as part of the
URL as a query parameter.
Add callouts to Enterprise features (#7548) Label all enterprise-related content with Enterprise badge/callout. Resolves #6887 Co-authored-by: Jeff Escalante <jescalan@users.noreply.github.com>
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- `segment` `(string: "")` <EnterpriseAlert inline /> - Specifies the segment to list members for.
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If left blank, this will query for the default segment when connecting to a server and
the agent's own segment when connecting to a client (clients can only be part of one
network segment). When querying a server, setting this to the special string `_all`
will show members in all segments.
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### Sample Request
update dependencies
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```shell-session
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$ curl \
website: use 127.0.0.1 instead of consul.rocks (#4523) By default, the Consul agent listens on the local interface at port 8500 for API requests. This change makes the API examples using `curl` copy-pasteable for this default configuration.
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http://127.0.0.1:8500/v1/coordinate/nodes
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```
### Sample Response
```json
[
{
"Node": "agent-one",
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"Segment": "",
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"Coord": {
"Adjustment": 0,
"Error": 1.5,
"Height": 0,
"Vec": [0, 0, 0, 0, 0, 0, 0, 0]
}
}
]
```
Adds open source side of network segments (feature is Enterprise-only).
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In **Consul Enterprise**, this may include multiple coordinates for the same node,
each marked with a different `Segment`. Coordinates are only compatible within the same
segment.
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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## Read LAN Coordinates for a node
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This endpoint returns the LAN network coordinates for the given node.
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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initial
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| Method | Path | Produces |
| ------ | ------------------------ | ------------------ |
| `GET` | `/coordinate/node/:node` | `application/json` |
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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The table below shows this endpoint's support for
replace internal .html link extensions
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[blocking queries](/api/features/blocking),
[consistency modes](/api/features/consistency),
[agent caching](/api/features/caching), and
remove internal /index.html
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[required ACLs](/api#authentication).
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
2017-10-26 12:24:42 +00:00
Support Agent Caching for Service Discovery Results (#4541) * Add cache types for catalog/services and health/services and basic test that caching works * Support non-blocking cache types with Cache-Control semantics. * Update API docs to include caching info for every endpoint. * Comment updates per PR feedback. * Add note on caching to the 10,000 foot view on the architecture page to make the new data path more clear. * Document prepared query staleness quirk and force all background requests to AllowStale so we can spread service discovery load across servers.
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `YES` | `all` | `none` | `node:read` |
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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### Parameters
- `dc` `(string: "")` - Specifies the datacenter to query. This will default to
the datacenter of the agent being queried. This is specified as part of the
URL as a query parameter.
Add callouts to Enterprise features (#7548) Label all enterprise-related content with Enterprise badge/callout. Resolves #6887 Co-authored-by: Jeff Escalante <jescalan@users.noreply.github.com>
2020-04-23 22:13:18 +00:00
- `segment` `(string: "")` <EnterpriseAlert inline /> - Specifies the segment to list members for.
Fill out the tests around coordinate/node functionality
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If left blank, this will query for the default segment when connecting to a server and
the agent's own segment when connecting to a client (clients can only be part of one
network segment). When querying a server, setting this to the special string `_all`
will show members in all segments.
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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### Sample Request
update dependencies
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```shell-session
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
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$ curl \
website: use 127.0.0.1 instead of consul.rocks (#4523) By default, the Consul agent listens on the local interface at port 8500 for API requests. This change makes the API examples using `curl` copy-pasteable for this default configuration.
2018-08-28 16:07:15 +00:00
http://127.0.0.1:8500/v1/coordinate/node/agent-one
agent: add /v1/coordianate/node/:node endpoint This patch adds a /v1/coordinate/node/:node endpoint to get the network coordinates for a single node in the network. Since Consul Enterprise supports network segments it is still possible to receive mutiple entries for a single node - one per segment.
2017-10-26 12:24:42 +00:00
```
### Sample Response
```json
[
{
"Node": "agent-one",
"Segment": "",
"Coord": {
"Adjustment": 0,
"Error": 1.5,
"Height": 0,
"Vec": [0, 0, 0, 0, 0, 0, 0, 0]
}
}
]
```
In **Consul Enterprise**, this may include multiple coordinates for the same node,
each marked with a different `Segment`. Coordinates are only compatible within the same
segment.
Add docs for the coordinate update endpoint
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## Update LAN Coordinates for a node
This endpoint updates the LAN network coordinates for a node in a given
datacenter.
initial
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| Method | Path | Produces |
| ------ | -------------------- | ------------------ |
| `PUT` | `/coordinate/update` | `application/json` |
Add docs for the coordinate update endpoint
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The table below shows this endpoint's support for
replace internal .html link extensions
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[blocking queries](/api/features/blocking),
[consistency modes](/api/features/consistency),
[agent caching](/api/features/caching), and
remove internal /index.html
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[required ACLs](/api#authentication).
Add docs for the coordinate update endpoint
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Support Agent Caching for Service Discovery Results (#4541) * Add cache types for catalog/services and health/services and basic test that caching works * Support non-blocking cache types with Cache-Control semantics. * Update API docs to include caching info for every endpoint. * Comment updates per PR feedback. * Add note on caching to the 10,000 foot view on the architecture page to make the new data path more clear. * Document prepared query staleness quirk and force all background requests to AllowStale so we can spread service discovery load across servers.
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `NO` | `none` | `none` | `node:write` |
Add docs for the coordinate update endpoint
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### Parameters
- `dc` `(string: "")` - Specifies the datacenter to query. This will default to
the datacenter of the agent being queried. This is specified as part of the
URL as a query parameter.
### Sample Payload
docs: Update code blocks across website * Use CodeTabs for examples in multiple formats. * Ensure correct language on code fences. * Use CodeBlockConfig for examples with filenames, or which need highlighted content.
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```json
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{
"Node": "agent-one",
"Segment": "",
"Coord": {
"Adjustment": 0,
"Error": 1.5,
"Height": 0,
"Vec": [0, 0, 0, 0, 0, 0, 0, 0]
}
}
```
### Sample Request
update dependencies
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```shell-session
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$ curl \
--request PUT \
--data @payload.json \
website: use 127.0.0.1 instead of consul.rocks (#4523) By default, the Consul agent listens on the local interface at port 8500 for API requests. This change makes the API examples using `curl` copy-pasteable for this default configuration.
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http://127.0.0.1:8500/v1/coordinate/update
Add docs for the coordinate update endpoint
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```